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Note 12 - Stock-based Compensation | 9 Months Ended
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Mar. 31, 2025
Notes to Financial Statements |
Share-Based Payment Arrangement [Text Block] | (12) Stock-Based Compensation We have granted equity incentives to employees and directors in the form of stock options and restricted stock awards. The total stock-based compensation expense for all equity incentives was $152 thousand and $438 thousand for the three months ended March 31, 2025, and March 31, 2024, respectively. The total stock-based compensation expense for all equity incentives was $629 thousand and $1.3 million for the nine months ended March 31, 2025, and March 31, 2024, respectively. Stock Options The Company’s stock option activity for the nine months ended March 31, 2025, is as follows:
|  | Shares |  |  | Weighted Average Exercise Price |
Outstanding at June 30, 2024 |  |  | 156,628 |  |  | $ | 14.18 |
Granted |  |  | 86,610 |  |  |  | 10.07 |
Exercised |  |  | — |  |  |  | — |
Canceled or expired |  |  | (34,490 | ) |  |  | 10.45 |
Outstanding at March 31, 2025 |  |  | 208,748 |  |  | $ | 13.09 |
The aggregate intrinsic value was $0 for all of options exercisable and for all unvested options at March 31, 2025, because the fair value of the Company’s common stock was less than the exercise prices of these options. The table below details the Company’s stock options outstanding as of March 31, 2025:
Range of exercise prices |  |  | Number Outstanding |  |  | Options Outstanding Weighted-Average Remaining Contractual Life (Years) |  |  | Weighted-Average Exercise Price |  |  | Number Exercisable |  |  | Options Exercisable Weighted-Average Exercise Price |
$ | 6.04 - 19.20 |  |  |  | 206,123 |  |  |  | 8.67 |  |  | $ | 11.32 |  |  |  | 56,830 |  |  | $ | 13.33 |
$ | 55.50 - 84.90 |  |  |  | 418 |  |  |  | 3.63 |  |  |  | 61.48 |  |  |  | 418 |  |  |  | 61.48 |
$ | 159.00 - 175.50 |  |  |  | 2,207 |  |  |  | 2.11 |  |  |  | 168.97 |  |  |  | 2,207 |  |  |  | 168.97 |
$ | 6.04 - 175.50 |  |  |  | 208,748 |  |  |  | 8.59 |  |  | $ | 13.09 |  |  |  | 59,455 |  |  | $ | 19.39 |
Compensation costs recognized related to stock option awards were $126 thousand and $134 thousand for each of the three months ended March 31, 2025, and 2024, respectively. Compensation costs recognized related to stock option awards were $480 thousand and $338 thousand for each of the nine months ended March 31, 2025, and 2024, respectively. The remaining stock-based compensation expense of $973 thousand related to stock options will be recognized over a weighted-average period of 2.92 years. Restricted Stock The Company’s restricted stock activity for the nine months ended March 31, 2025, is as follows:
|  |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding at June 30, 2024 |  |  | 43,773 |  |  | $ | 15.36 |
Granted |  |  | — |  |  |  | — |
Vested |  |  | (7,385 | ) |  |  | 10.27 |
Canceled or expired |  |  | (7,776 | ) |  |  | 10.97 |
Outstanding at March 31, 2025 |  |  | 28,612 |  |  | $ | 17.87 |
Stock compensation expenses related to restricted stock were $26 thousand and $304 thousand for the three months ended March 31, 2025, and 2024, respectively. Stock compensation expenses related to restricted stock were $149 thousand and $937 thousand for the nine months ended March 31, 2025, and 2024, respectively. The remaining stock-based compensation expense of $317 thousand related to restricted stock awards granted will be recognized over a weighted-average period of 1.92 years.

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